(doc:) update python version from 3.7 to 3.10 (#14300)

* docs(doc): change python version from 3.7 to 3.10

CONTRIBUTING.md

@@ -160,7 +160,7 @@ You will need the following tools installed to develop on the Opentrons platform
 - git
 - curl
 - ssh
-- Python v3.7
+- Python v3.10
 - Node.js v16
 - [Yarn 1][yarn]
 

DEV_SETUP.md

@@ -12,7 +12,7 @@ You will need the following tools installed to develop on the Opentrons platform
 - git
 - curl
 - ssh
-- Python v3.7
+- Python v3.10
 - Node.js v16
 
 ### macOS
@@ -124,10 +124,10 @@ Close and re-open your terminal to verify that `pyenv` is installed
 pyenv --version
 ```
 
-Now, install the required version of Python. Use the latest available version of `3.7.x`, which is `3.7.15` at the time of writing.
+Now, install the required version of Python. Use the latest available version of `3.10.x`, which is `3.10.13` at the time of writing.
 
 ```shell
-pyenv install 3.7.15
+pyenv install 3.10.13
 ```
 
 If your `pyenv` command isn't working, confirm that your shell is set up properly. If you print out the contents of `~/.zprofile` and `~/.zshrc`, you should see something similar to the following:
@@ -198,15 +198,15 @@ cd ./opentrons
 Once you are inside the repository for the first time, you should do two things:
 
 1. Confirm that `nvs` selected the proper version of Node.js to use
-2. Tell `pyenv` to use Python 3.7
-3. Run `python --version` to confirm your chosen version. If you get the incorrect version and you're using an Apple silicon Mac, try running `eval "$(pyenv init --path)"` and then `pyenv local 3.7.15`. Then check `python --version` again.
+2. Tell `pyenv` to use Python 3.10
+3. Run `python --version` to confirm your chosen version. If you get the incorrect version and you're using an Apple silicon Mac, try running `eval "$(pyenv init --path)"` and then `pyenv local 3.10.13`. Then check `python --version` again.
 
 ```shell
 # confirm Node v16
 node --version
 
 # set Python version, and confirm
-pyenv local 3.7.15
+pyenv local 3.10.13
 python --version
 ```